diff --git a/web/images/toolbarButton-fullscreen.png b/web/images/toolbarButton-fullscreen.png
new file mode 100644
index 000000000..fa7309550
Binary files /dev/null and b/web/images/toolbarButton-fullscreen.png differ
diff --git a/web/viewer.css b/web/viewer.css
index 0bb940c48..c47dbf8fb 100644
--- a/web/viewer.css
+++ b/web/viewer.css
@@ -59,6 +59,10 @@ select {
   overflow: hidden;
 }
 
+:-moz-full-screen .page:last-child {
+  margin-bottom: 40px;
+}
+
 #viewerContainer:full-screen {
   top: 0px;
   background-color: #404040;